<template>
  <div>
    <el-alert type="info" title='版本>=1.1.1支持' show-icon></el-alert>

    切换v-show恢复滚动位置：<el-switch v-model="visible"></el-switch>

    <virtual-scroll
      v-show="visible"
      ref="virtualScroll"
      :data="list"
      :item-size="62"
      key-prop="id"
      @change="(virtualList) => tableData = virtualList">
      <el-table
        :data="tableData"
        border
        row-key="id"
        max-height="500px"
        style="width: 100%">
        <el-table-column label="id" prop="id"></el-table-column>
        <el-table-column label="内容" width="260" prop="text"></el-table-column>
        <el-table-column label="内容省略" width="260" prop="text" show-overflow-tooltip></el-table-column>
        <el-table-column label="详情" min-width="260">
          <template slot-scope="{ row }">
            <el-button type="text" @click="row.show = !row.show;">{{ row.show ? '隐藏' : '显示' }}</el-button>
            <div v-if="row.show">{{ row.text2 }}</div>
          </template>
        </el-table-column>
        <el-table-column prop="date" label="日期" width="150">
        </el-table-column>
        <el-table-column prop="name" label="姓名" width="420">
        </el-table-column>
        <el-table-column prop="province" label="省份" width="320">
        </el-table-column>
        <el-table-column prop="city" label="市区" width="320">
        </el-table-column>
        <el-table-column prop="address" label="地址" width="300">
        </el-table-column>
        <el-table-column prop="zip" label="邮编" width="320">
        </el-table-column>
        <el-table-column fixed="right" label="操作" width="100">
          <template slot-scope="scope">
            <el-button @click="handleClick(scope.row)" type="text" size="small">查看</el-button>
            <el-button type="text" size="small">编辑</el-button>
          </template>
        </el-table-column>
      </el-table>
    </virtual-scroll>
  </div>
</template>

<script>
import VirtualScroll from 'el-table-virtual-scroll'
import { mockData } from '@/utils'

export default {
  name: 'Keepalive',
  components: {
    VirtualScroll
  },
  data() {
    return {
      visible: true,
      list: mockData(0, 2000),
      tableData: []
    }
  },
  deactivated () {
    console.log('deactivated')
  }
}
</script>

<style lang='less' scoped></style>
